EP1286742B1 - Plastic filter housing having a weld seam skewed with regard to the longitudinal axis of the housing - Google Patents

Plastic filter housing having a weld seam skewed with regard to the longitudinal axis of the housing Download PDF

Info

Publication number
EP1286742B1
EP1286742B1 EP01935459A EP01935459A EP1286742B1 EP 1286742 B1 EP1286742 B1 EP 1286742B1 EP 01935459 A EP01935459 A EP 01935459A EP 01935459 A EP01935459 A EP 01935459A EP 1286742 B1 EP1286742 B1 EP 1286742B1
Authority
EP
European Patent Office
Prior art keywords
housing
side wall
end portion
housing member
longitudinal axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01935459A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1286742A1 (en
Inventor
Timothy L. Memmer
Gerard W. Bilski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP1286742A1 publication Critical patent/EP1286742A1/en
Application granted granted Critical
Publication of EP1286742B1 publication Critical patent/EP1286742B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D27/00Cartridge filters of the throw-away type
    • B01D27/005Making filter elements not provided for elsewhere
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D27/00Cartridge filters of the throw-away type
    • B01D27/08Construction of the casing

Definitions

  • the present invention relates to a hollow molded plastic housing, formed from multiple parts, in which two parts intersect at, and are joined along a weld seam. More particularly, the present invention relates to a molded plastic housing of the type described and having a skewed weld seam, that is, having a weld seam which does not coincide with any plane perpendicular to a longitudinal axis of the assembly.
  • plastic is increasingly a material of choice in modem manufacturing.
  • certain plastic filter housings have been known and made of multiple parts which are glued or welded together around a filter element.
  • many commercially available disposable in-line fuel filters include a plastic housing with two generally cup-shaped sections, which are joined at the open ends thereof at a symmetrical weld seam.
  • This known type of fuel filter also has relatively narrow inlet and outlet tubes extending outwardly away from opposite ends of the housing.
  • GB-A-2155355 discloses an air filter for an engine intake comprising a curved pleated filter element which is permanently sealed into a disposable housing having an inlet and outlet(s).
  • DE 1029527B discloses an infusion apparatus comprising a drip chamber formed from a hollow body, wherein the hollow body comprises one or more inlet pipes at one end and a drainage pipe at the other end, wherein a filter splits the chamber into two areas.
  • GB-A-1016431 discloses a gas filter comprising a diaphragm of glass fibre paper suitably reinforced, the margin of which is clamped between two dished or domed casing elements so as to separate the interior concavities of said elements, each of which has a branch for the attachment of tubing.
  • US-A-3693410 discloses a composite filter unit and cassette to serve as an air sampler for personal use in connection with a metering pump and a cyclone unit.
  • the filter unit is formed of two opposed shells with interfitting flanges to provide a support for the circumferential edges of a filter disc and to form chambers on each side of the disc, one to serve as an inlet and one to serve as an outlet.
  • the present invention provides a hollow plastic filter housing as defined in claim 1.
  • the present invention further provides a method for providing a two piece filter housing, the method being that defined in claim 1.
  • a plastic housing formed from multiple pieces, in which two complimentary primary pieces are joined along a weld seam which is skewed from the orthogonal, allows the housing to be made in fewer pieces than would otherwise be possible.
  • the present invention yet further provides a fuel filter as defined in claim 6.
  • a fuel filter housing in accordance with a first embodiment of the present invention, is shown generally at 10.
  • the housing 10 is made up of two complimentary housing members 12, 14 joined together as an integral unit.
  • the first and second housing members 12, 14 share a common longitudinal axis 16 ( Figure 5).
  • Figure 5 As seen in the end views of Figures 3 and 4, the housing 10, in the depicted embodiment, has a substantially kidney-shaped outline and cross-sectional shape.
  • the housing members are connected and sealingly joined together along a seam 15.
  • the seam 15 is skewed, away from alignment with a plane transverse to the longitudinal axis 16 of the housing 10, to allow the first housing member 12 to be made with an external flow section 18, formed as an integral part thereof, in a single molding operation.
  • the first housing member 12 has a first end portion 20 and a first side wall 22 integrally formed with, and extending away from the first end portion.
  • the first end portion 20 and the first side wall 22 cooperate to define a first area 24, for receiving one end of a filter element 26 therein.
  • the first housing member has a tube section 21 formed through the first end portion 20 thereof.
  • the tube section 21 is in fluid communication with the first area 24.
  • the tube section 21 may form an outlet for the housing 10.
  • the first side wall 22 has an edge 25 defining a first mating surface 28, with a first shape, opposite the first end portion 20.
  • the external flow section 18 extends outwardly away from the first side wall 22, and is also in fluid communication with the first area 24.
  • the second housing member 14 has a second end portion 30 and a second side wall 32 extending away from the second end portion.
  • the second end portion 30 and the second side wall 32 cooperate to define a second area 34 for receiving a second end of the filter element 26 therein.
  • the second side wall has an edge 35 defining a second mating surface 38, with a second shape, opposite the second end portion 30.
  • the second housing member 14 has a second aperture 31 formed through the second end portion 30 thereof.
  • the second aperture 31 is in fluid communication with the second area 34.
  • the second aperture 31 may form a bypass outlet channel for the housing 10.
  • the second mating surface 38 corresponds to, and is alignable with the first mating surface 28, to define the seam 15 between the first and second housing members.
  • the seam 15 is disposed in a skewed orientation with respect to a plane which is transverse to the longitudinal axis 16 of the housing.
  • the seam 15 is curvilinear and non-planar.
  • the seam 15 is somewhat free-form in shape, including curved portions.
  • the first mating surface 28 includes a protrusion which fits into a notch 39 of the second mating surface 38, so that there is only one correct way to align the first and second housing members 12, 14.
  • the seam 15 may be symmetrical or asymmetrical, as desired.
  • a fuel filter housing in accordance with a second embodiment of the present invention, is shown generally at 210.
  • the housing 210 is made up of two complimentary housing members 212,214 joined together as an integral unit.
  • the first and second housing members 212, 214 share a common longitudinal axis 216 ( Figure 10).
  • Figure 10 the housing 210, in the second depicted embodiment, has a substantially kidney-shaped outline and cross-sectional shape.
  • the housing members 212, 214 are connected and sealingly joined together along a seam 215.
  • the seam 215 is skewed, away from the orthogonal.
  • the seam 215 is skewed out of alignment with a plane transverse to the longitudinal axis 216 of the housing 210, to allow the first housing member 212 to be made with an external flow section 218, formed as an integral part thereof, in a single molding operation.
  • the housing 210 according to the second depicted embodiment is substantially identical to housing 10 according to the first embodiment, except for the difference in the shapes of the first and second housing members at the respective seams 15, 215.
  • first housing member 212 has a first end portion 220 and a first side wall 222 integrally formed with, and extending away from the first end portion.
  • the first end portion 220 and the first side wall 222 cooperate to define a first area 224, for receiving one end of a filter element 26 therein.
  • the filter element is the same as the element 26 shown in Figure 5).
  • the first housing member 220 has a tube section 221 formed through the first end portion 220 thereof.
  • the tube section 221 is in fluid communication with the first area 224.
  • the tube section 221 may form an outlet for the housing 210.
  • the first side wall 222 has an edge 225 defining a first mating surface 228, with a first shape, opposite the first end portion 220.
  • the external flow tube 218 extends outwardly away from the first side wall 222, and is also in fluid communication with the first area 224.
  • the second housing member 214 has a second end portion 230 and a second side wall 232 extending away from the second end portion.
  • the second end portion 230 and the second side wall 232 cooperate to define a second area 234 for receiving a second end of the filter element 26 therein.
  • the second side wall has an edge 235 defining a second mating surface 238, with a second shape, opposite the second end portion 230.
  • the second housing member 214 has a second aperture 231 formed through the second end portion 230 thereof.
  • the second aperture 231 is in fluid communication with the second area 234.
  • the second aperture 231 may form a bypass outlet channel for the housing 210.
  • the second mating surface 238 corresponds to, and is alignable with the first mating surface 228, to define the seam 215 between the first and second housing members 212, 214, respectively.
  • the seam 215 is disposed in a skewed orientation with respect to a plane which is transverse to the longitudinal axis 16 of the housing.
  • the seam 215 is disposed substantially coincident with a plane P ( Figure 6), which intersects the longitudinal axis 216 of the housing 210 at an angle.
  • the seam 215 is disposed along a plane P offset 30 degrees from the orthogonal, as shown.
  • the depicted filter housing 210 has a substantially kidney-shaped cross-section.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • External Artificial Organs (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP01935459A 2000-05-15 2001-05-14 Plastic filter housing having a weld seam skewed with regard to the longitudinal axis of the housing Expired - Lifetime EP1286742B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/705,961 US6651823B1 (en) 2000-05-15 2000-05-15 Plastic filter housing formed from multiple sections and having a skewed weld seam, and filter incorporating same
US705961 2000-05-15
PCT/US2001/015493 WO2001087455A1 (en) 2000-05-15 2001-05-14 Plastic filter housing having a weld seam skewed with regard to a plane normal to the longitudinal axis of the housing

Publications (2)

Publication Number Publication Date
EP1286742A1 EP1286742A1 (en) 2003-03-05
EP1286742B1 true EP1286742B1 (en) 2005-03-02

Family

ID=24835641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01935459A Expired - Lifetime EP1286742B1 (en) 2000-05-15 2001-05-14 Plastic filter housing having a weld seam skewed with regard to the longitudinal axis of the housing

Country Status (9)

Country Link
US (1) US6651823B1 (ja)
EP (1) EP1286742B1 (ja)
JP (1) JP2003533341A (ja)
AT (1) ATE289849T1 (ja)
CA (1) CA2408744A1 (ja)
DE (1) DE60109155T2 (ja)
ES (1) ES2236233T3 (ja)
MX (1) MXPA02011278A (ja)
WO (1) WO2001087455A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD655378S1 (en) * 2011-09-15 2012-03-06 Whirlpool Corporation Filter unit
USD655377S1 (en) * 2011-09-15 2012-03-06 Whirlpool Corporation Filter unit
USD654566S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654559S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654561S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654563S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654565S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654560S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654562S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit
USD654564S1 (en) * 2011-09-15 2012-02-21 Whirlpool Corporation Filter unit

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1029537B (de) 1956-02-21 1958-05-08 Carlos Alberto Tegner Infusionsgeraet
BE566768A (ja) * 1957-04-17
GB1016431A (en) 1961-07-04 1966-01-12 Clarke Chapman Ltd Improvements in filters for air and other gases
DE1228638B (de) * 1962-04-10 1966-11-17 Danfoss As Motorverdichterkapsel mit nach aussen vorstehendem Schweissrand
US3693410A (en) 1970-02-02 1972-09-26 Bendix Corp Disposable air sampling filter cassette
US3815752A (en) 1972-03-02 1974-06-11 Sporlan Valve Co Refrigerant filter-drier
US4253967A (en) 1975-01-20 1981-03-03 Bentley Laboratories, Inc. Blood treating method
IT8453081V0 (it) 1984-03-09 1984-03-09 Gilardini Spa Filtro aria
DE3425347A1 (de) 1984-07-10 1986-01-16 Robert Bosch Gmbh, 7000 Stuttgart Filter zum reinigen von fluessigkeiten
BR8602173A (pt) * 1986-05-02 1987-12-22 Brasil Compressores Sa Aperfeicoamento em sistema de succao de compressor hermetico de refrigeracao
US4814087A (en) * 1987-10-09 1989-03-21 Separation Dynamics, Inc. Fuel delivery system
JPH01202373A (ja) 1988-02-04 1989-08-15 Fuji Photo Film Co Ltd 溶接方法及びそれを用いた濾過装置
GB2218919B (en) 1988-05-27 1993-01-13 Pall Corp Filtering apparatus
US4992166A (en) 1988-06-13 1991-02-12 Facet Enterprises, Inc. Plastic fluid filter and method for manufacturing same
JPH0212421U (ja) 1988-07-05 1990-01-25
US5076920B2 (en) 1990-08-30 1998-05-05 Allied Signal Inc Electrostatically dissipative fuel filter
US5382359A (en) 1993-05-13 1995-01-17 Parr Manufacturing, Inc. Plastic fuel filter with conductive coating for providing an evaporative barrier and for dissipating electrostatic charges
US5876599A (en) * 1997-04-07 1999-03-02 Kuss Corporation Compact in-tank fuel filter and module
US6171492B1 (en) * 1999-02-04 2001-01-09 Purolator Products Company Filter for liquid fuel
US6231318B1 (en) * 1999-03-29 2001-05-15 Walbro Corporation In-take fuel pump reservoir

Also Published As

Publication number Publication date
US6651823B1 (en) 2003-11-25
MXPA02011278A (es) 2003-04-25
WO2001087455A1 (en) 2001-11-22
ES2236233T3 (es) 2005-07-16
DE60109155D1 (de) 2005-04-07
ATE289849T1 (de) 2005-03-15
DE60109155T2 (de) 2006-04-13
CA2408744A1 (en) 2001-11-22
JP2003533341A (ja) 2003-11-11
EP1286742A1 (en) 2003-03-05

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